Having conquered the world’s biggest stadiums with her sold-out concert tours, Taylor Swift is proving again she can rule the big screen, too. Her newest theatrical effort, “The Official Release Party of a Showgirl,” is dancing to the top of box office charts with $33 million over the weekend. The “cinematic experience,” as the project has been dubbed, collected another $13 million at the international box office for a global total of $46 million. It’s a significant tally given that “Showgirl”